Finding the Fourth Proportional to 207,294.75, 310,929.77 and 121,953.56
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Solution
The fourth proportional to 207,294.75, 310,929.77 and 121,953.56 is: 182,923.07
Step by Step Solution
- Step 1: Write the proportion equation
207,294.75 : 310,929.77 = 121,953.56 : x - Step 2: Convert to fraction form
207,294.75/310,929.77 = 121,953.56/x - Step 3: Cross multiply
207,294.75x = 310,929.77 × 121,953.56 - Step 4: Simplify right side
207,294.75x = 37,918,991,111.72 - Step 5: Solve for x
x = 37,918,991,111.72/207,294.75 - Step 6: Final answer
x = 182,923.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.